ipc: apr: check for packet size to header size comparison



Check if packet size is large enough to hold the header.

Change-Id: I7261f8111d8b5f4f7c181e469de248a732242d64
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>

parent c38af66a

ipc/apr.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -636,6 +636,12 @@ void apr_cb_func(void buf, int len, void priv)
		pr_err("APR: Wrong paket size\n");
		return;
		}

		if (hdr->pkt_size < hdr_size) {
		pr_err("APR: Packet size less than header size\n");
		return;
		}

		msg_type = hdr->hdr_field;
		msg_type = (msg_type >> 0x08) & 0x0003;
		if (msg_type >= APR_MSG_TYPE_MAX && msg_type != APR_BASIC_RSP_RESULT) {